Ac97 Codec Status Register (Ac_Codec_Stat); Ac97 Pcm Out/In Channel Fifo Address Register (Ac_Pcmaddr) - Samsung S3C2416 User Manual

S3C2416X RISC MICROPROCESSOR

8.5 AC97 CODEC STATUS REGISTER (AC_CODEC_STAT)

If the Read enable bit is 1 and Codec command address is valid, Codec status data is also valid.
Register
AC_CODEC_STAT
AC_CODEC_STAT
-
Address
Data
NOTES: If you want to read data from AC97 codec register via the AC_CODDEC_STAT register, you should follow the steps.
1. Write command address and data on the AC_CODEC_CMD register with Bit[23] =1.
2. Have a delay time.
3. Read command address and data from AC_CODEC_STAT register.

8.6 AC97 PCM OUT/IN CHANNEL FIFO ADDRESS REGISTER (AC_PCMADDR)

To index the internal PCM FIFOs address.
Register
AC_PCMADDR 0x5B000010
AC_PCMADDR
-
Out read address
-
In read address
-
Out write address
-
In write address
Address
0x5B00000C
Bit
Reserved.
[31:23]
[22:16] Codec status address
Codec status data
[15:0]
Address R/W
R AC97 PCM Out/In Channel FIFO Address Register
Bit
[31:28] Reserved.
[27:24] PCM out channel FIFO read address
[23:20] Reserved.
[19:16] PCM in channel FIFO read address
[15:12] Reserved.
[11:8] PCM out channel FIFO write address
[7:4] Reserved.
[3:0] PCM in channel FIFO write address
R/W
R AC97 Codec Status Register
Description
Description
Description
Description
AC97 CONTROLLER
Reset Value
0x00000000
Initial State
0x00
0x00
0x0000
Reset Value
0x00000000
Initial State
0000
0000
0000
0000
0000
0000
0000
0000
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